Multi-wire planar cable for a monitoring system of a battery module
a monitoring system and battery module technology, applied in the field of multi-wire planar cable for monitoring systems of battery modules, can solve the problems of high cost of flexible printed circuits, high cost of redesigning or re-routing of circuits, and wire harnesses at risk of damage to wires
Active Publication Date: 2019-09-17
TYCO ELECTRONICS LOGISTICS AG (CH)
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
This patent is about a connector assembly for monitoring voltage in a battery module consisting of multiple cells. The connector assembly includes a connector and a multi-wire planar cable with wires that are separated from each other at the sensor end of the cable. This allows for controlled separation of the wires and the surrounding jacket. The separated parts of the cable are routed to different areas of a carrier assembly, such as a tray, where they are connected to voltage sensors associated with bus bars. This design helps to accurately measure the voltage of each individual cell in the battery module.
Problems solved by technology
The wire harnesses are at risk for damage to the wires.
However flexible printed circuits are expensive and redesign or re-routing of the circuits can be expensive.
Method used
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Embodiment Construction
[0019]FIG. 1 is a top perspective view of a battery system 100 formed in accordance with an exemplary embodiment. The battery system 100 includes one or more battery modules 102 with corresponding carrier assemblies 110 mounted to the battery module(s) 102. The battery modules 102 may be stacked together as a battery pack used as part of the battery system 100, such as a battery system in a vehicle, such as an electric vehicle or a hybrid electrical vehicle. The battery system 100 may be used in other applications in alternative embodiments. The battery modules 102 may be contained within a housing.
[0020]The battery system 100 includes a battery control module 104, which may be mounted to the battery module(s) 102. The battery control module 104 controls activities of the battery modules 102. The battery control module 104 may include or communicate with a vehicle system controller to verify that the battery module 102 is operating within the parameters set for the current condition...
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Abstract
A connector assembly for voltage monitoring of bus bars electrically connecting adjacent battery cells of a battery module includes a connector having a plurality of terminals configured to be mated with a control module connector associated with the battery module. A multi-wire planar cable extends from the connector. The multi-wire planar cable has a plurality of wires terminated to corresponding terminals and a common jacket for the plurality of wires. The jacket has grooves between adjacent wires for controlled separation of the wires and surrounding jacket portions at a sensor end of the multi-wire planar cable to define separated planar cable segments. The separated planar cable segments are routed to different areas for termination to different voltage sensors associated with corresponding bus bars.
Description
BACKGROUND OF THE INVENTION[0001]The subject matter herein relates generally to battery connector systems.[0002]Battery modules, such as those for electric vehicles or hybrid vehicles, typically includes a plurality of cells grouped together to form the battery modules. The battery modules are connected together to form battery packs. Each of the cells includes positive and negative cell terminals that are electrically connected together. The positive and negative cell terminals are connected using bus bars. Some systems are designed to monitor aspects of the battery cells, such as voltage, temperature and the like. Such systems provide sensors that are connected to a monitoring circuit. Round wires are typically connected to the sensors as parts of wire harnesses that interconnect the sensors and the monitoring circuit. Providing the round wires between each of the cells or bus bars and the monitoring unit adds bulk to the battery modules, particularly where the wires a stacked up ...
Claims
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IPC IPC(8): H01M2/20H01M2/10H01R25/16H01M10/48H01R12/65H01R12/77H01M10/42H01R12/61H01M50/209H01M50/298H01M50/507H01M50/569
CPCH01R25/162H01R12/65H01M2/1077H01M2/206H01M10/4207H01M10/425H01R12/778H01R12/616H01M10/482H01M2220/20H01R12/77Y02E60/10H01M50/507H01M50/209H01M50/569H01M50/298
Inventor RHEIN, DAVID JAMES
Owner TYCO ELECTRONICS LOGISTICS AG (CH)